import { Injectable, Logger } from '@nestjs/common';
import { OnEvent } from '@nestjs/event-emitter';
import { BusinessException } from '@wwjCommon/exception/business.exception';

/**
 * MemberRegisterListener - 基于NestJS EventEmitter
 * 参考: https://docs.nestjs.com/techniques/events
 * 对应 Java: @EventListener + ApplicationEventPublisher
 * 对应 PHP: think\facade\Event
 */
@Injectable()
export class MemberRegisterListener {
  private readonly logger = new Logger(MemberRegisterListener.name);

  /**
   * 处理事件 - 基于PHP真实实现
   * 使用 @OnEvent 装饰器监听事件
   */
  @OnEvent('memberregister.handle')
  async handle(payload: any) {
    this.logger.log('MemberRegister listener: Event received', payload);

    try {
      // TODO: 实现MemberRegister事件处理逻辑
      // 原始PHP逻辑已解析，需要手动转换为TypeScript
      this.logger.log('Processing MemberRegister event with payload:', payload);

      // 示例：处理事件数据
      // const { type, data } = payload;
      // if (type === 'weapp') {
      //   const siteId = data.site_id;
      //   // 处理逻辑...
      // }

      this.logger.log('MemberRegister event processed successfully');
    } catch (error) {
      this.logger.error('Error processing MemberRegister event:', error);
      throw new BusinessException('MemberRegister事件处理失败');
    }
  }
}
